Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Fitbit Inspire HR

 
Flex 2
Vivofit 3
645 Music
Access Sofie
Inspire HR
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$100$450$395$99
Release20162016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year7 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64240 x 240390 x 390 1.19 inches139 x 60
Sizen/a0.55 inches1.2 inches1.4 inches
Touchn/aAMOLDED
TypeLEDn/aMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Fitbit OS
Apps
Music

All Wearables